When it comes to the topic of black holes there are a lot of common misconceptions about their nature and through that also misconceptions about the evaluation of feats involving them. Generally black holes are often depicted wrong in works of fiction. While a completely correct depiction can not be expected, some basic laws have to be followed. If that is not the case, we can not be certain about the black hole being an actual black hole and not just a fake black hole, which can not be assumed to have the properties black holes usually have. where: (To shamelessly copy from Wikipedia)